Tensor glueball-meson mixing phenomenology
Leonid Burakovsky, Philip R. Page
TL;DR
This paper investigates the mixing of tensor glueballs with mesons using mass relations, proposing two solutions for the glueball's identity and analyzing decay patterns to understand their composition.
Contribution
It introduces a phenomenological analysis of tensor glueball-meson mixing, identifying two possible glueball candidates and examining their decay behaviors.
Findings
Two solutions for the glueball identity: fJ(2220) or a distributed state.
f2'(1525) decay to pi pi matches experimental data.
fJ(2220) does not decay flavor democratically nor is it narrow.
Abstract
The overpopulated isoscalar tensor states are sifted using Schwinger-type mass relations. Two solutions are found: one where the glueball is the fJ(2220), and one where the glueball is more distributed, with f2(1820) having the largest component. The f2(1565) and fJ(1710) cannot be accommodated as glueball-(hybrid) meson mixtures in the absense of significant coupling to decay channels. f2'(1525) -> pi pi is in agreement with experiment. The fJ(2220) decays neither flavour democratically nor is narrow.
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